1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/kref.h b/include/linux/kref.h
index 6cc38fc07ab7..90b9e44abf54 100644
--- a/include/linux/kref.h
+++ b/include/linux/kref.h
@@ -23,6 +23,7 @@ struct kref {
 
 void kref_init(struct kref *kref);
 void kref_get(struct kref *kref);
+int kref_test_and_get(struct kref *kref);
 int kref_put(struct kref *kref, void (*release) (struct kref *kref));
 
 #endif /* _KREF_H_ */